EP0351777B1 - Device for automatically winding a cable or a wire on a spool - Google Patents

Device for automatically winding a cable or a wire on a spool Download PDF

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Publication number
EP0351777B1
EP0351777B1 EP19890113149 EP89113149A EP0351777B1 EP 0351777 B1 EP0351777 B1 EP 0351777B1 EP 19890113149 EP19890113149 EP 19890113149 EP 89113149 A EP89113149 A EP 89113149A EP 0351777 B1 EP0351777 B1 EP 0351777B1
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EP
European Patent Office
Prior art keywords
cable
translation
spool
wire
rollers
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP19890113149
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German (de)
French (fr)
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EP0351777A1 (en
Inventor
Gérard Plisson
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Nexans France SAS
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Alcatel Cable SA
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Publication date
Application filed by Alcatel Cable SA filed Critical Alcatel Cable SA
Publication of EP0351777A1 publication Critical patent/EP0351777A1/en
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Publication of EP0351777B1 publication Critical patent/EP0351777B1/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H54/00—Winding, coiling, or depositing filamentary material
    • B65H54/02—Winding and traversing material on to reels, bobbins, tubes, or like package cores or formers
    • B65H54/28—Traversing devices; Package-shaping arrangements
    • B65H54/2803—Traversing devices; Package-shaping arrangements with a traversely moving package

Definitions

  • the present invention relates to an automatic cutting device for a cable or wire on a drum, comprising means for guiding the advance of the cable or wire substantially perpendicular to the axis of the drum, means for putting the drum in relative translation parallel to its axis relative to the axis of advancement of the cable or wire, alternately in one direction, then in the other, means for detecting a delay of the reel relative to a set position corresponding to a winding of the cable or wire on the reel with contiguous turns and to increase its speed of relative translation, and means for detecting the arrival of the cheek of the reel opposite the guide means and controlling the reversal of relative translation.
  • the relative translation of the reel relative to the cable or wire guide means must naturally be exactly equal to a cable diameter per turn of the reel. Furthermore, the reversal of the direction of relative translation must take place when a layer of turns has completely filled the space between the cheeks of the reel, that is to say as soon as the turn being formed comes to touch of the affected cheek.
  • Document FR-A-2263970 discloses an automatic cutting device for a cable or wire on a reel.
  • Document EP-A-0226547 also discloses a device for controlling a cable cutting operation, in which the cable to be wound on a reel is guided between rollers mounted on a slide driven in translation by a motor and in a guide tube carried by the end of an arm pivoting around a vertical journal forming cable guide. End-of-stroke sensors allow the direction of translation of the slide to be reversed when the latter reaches one or other of the two positions corresponding to the ends of the reel.
  • the speed of movement of the slide can take one or the other of two values fixed in advance: one too small, the other too large to maintain a correct clamping angle of the turns on the reel.
  • the choice between these two speeds are determined by an angular sensor placed near the pivot of the arm, this sensor being sensitive to the direction occupied by the cable at the outlet of the guide tube, and therefore to the tightening angle of the turns.
  • this device is not entirely effective, especially when winding small diameter cables at high speed, because the difference between the clamping angles corresponding to the two translation speeds of the slide becomes very small, which imposes a very sensitive angular sensor. But the latter then becomes sensitive to vibrations of the cable between the cable guide and the reel.
  • the present invention aims to provide a simpler automatic cutting device, adapting to cables of different diameters using very simple adjustment.
  • a simpler automatic cutting device must allow precise cutting with contiguous turns, insensitive to cable vibrations, without the presence of voids near the cheeks, on reels of any size. It must also allow, when a turn of the cable comes into contact with a cheek of the reel, to keep fixed the cable guide or the frame of the reel during a fraction of turn of the reel, which can be equal to at most one turn, before they are not set in motion in the opposite direction to the previous one.
  • This arrangement is necessary to correctly form the last turn of a layer, which is also the first turn of the next layer, this turn must be in full contact with the cheek of the drum.
  • the device according to the invention is characterized in that the means for detecting an advance or a delay of the reel are constituted by two rollers for guiding the cable or the wire with parallel axes, perpendicular to the axis of advance of the cable or the wire and to the axis of the reel, susceptible to be driven in rotation by the contact of the cable or wire, and connected to members increasing the relative translation speed of the cable or wire, in that the means of relative translation of the reel are such that its speed translation in the absence of contact of the cable or wire with the rollers is a little less than that corresponding to a winding with contiguous turns, and in that the means for detecting the arrival of the cheek of the reel opposite the means cable or wire guide consist of two optical cells integral with the cable guide and substantially aligned with each of the two generators of the cable which are likely to be in contact with the rollers.
  • the cable 1 is wound on the reel 2, of horizontal axis, presenting the lateral cheeks 3 and 4, so as to form contiguous turns such as 5, 6, 7.
  • This cable is guided and is presented in a plane substantially perpendicular to the axis of the reel by means of a cable guide formed by a pulley 8 fixed on a support 17 and two rollers 9 and 10 of vertical axis arranged on either side of the cable on the support 17.
  • the free space between the rollers is greater than the diameter of the cable. It is for example equal to about a diameter and a half.
  • Each roller is integral with a tachometric dynamo (not shown) driven in rotation by the rotation of the roller.
  • Optical cells 11 and 12 for detecting the cheeks of the reel are fixed to the support 17 directly above the generator of each roller closest to the cable. These cells are preferably closer to the cable than the axes of the rollers.
  • the reel 2 moves relative to the pulley 8 and the rollers 9 and 10 in the direction indicated by the arrow at a speed which, in the absence of contact of the cable with the rollers, is a little lower than that which would correspond to a contiguous winding of the turns on the reel. Therefore, the cable which is wound on the reel moves between the rollers 9 and 10 until it comes into contact with the roller 9 which is located behind the cable relative to the direction of movement of the reel.
  • the roller drives a tachometric dynamo whose electrical voltage is used to switch a relay through an electronic card.
  • This card makes it possible in particular to make the device insensitive to fugitive contacts of the cable with the roller such as those which could be generated for example by very punctual faults in the geometry of the cable.
  • This relay switches the translation motor from the supply voltage corresponding to the lower speed to a higher voltage corresponding to a higher speed by which the cable ceases to be in contact with the roller 9. The translation speed then becomes again lower.
  • the roller 10 to the right of the cable plays the same role when the reel moves in the opposite direction to form the next layer.
  • FIG. 3 represents the cutting operation at the moment when the reversal of the direction of translation of the reel has just occurred.
  • the optical cell 11 arrived opposite the edge of the cheek 3 of the reel, which it detected.
  • the reversal of the direction of movement of the reel is controlled by the passage of the internal edge of the cheek of the reel in front of the cell located directly above the generator of contact with the cable of the roller located in front of the turn in training course, that is to say the roller 9 associated with the cell 11.
  • the latter is sensitive to the light energy reflected by the edge of the cheek, said light energy being able to come either from ambient light energy , or preferably a light brush emitted by the end of an optical fiber (not shown) adjacent to the cell.
  • the cell 11 generates an electrical control signal from an automaton which controls the reversal of the direction of translation of the reel.
  • the automaton stops the translation of the reel for a time interval corresponding to l 'winding of the cable on a fraction of a turn of the reel which, because of the winding speed which can be high and the inertia of the moving masses, is less than the theoretical value of one turn. Then he starts the reel in the opposite direction to form the second turn 14 of the next layer, as shown.
  • the optical cell 12 plays the same role when the cable has reached the other end of the reel.
  • the cells 11, 12 must have a small opening angle, which is obtained by a system of optical lenses placed in front of them, or by placing them at the end. of an optical fiber.
  • each roller 9 or 10, tacho dynamo and cell 11 or 12 assembly will advantageously be mounted on an auxiliary support, itself fixed to support 17 by a fixing system allowing to adjust the position of each roller and therefore the space between rollers while maintaining the relative position of the roller and the cell associated with it.
  • Figures 4 and 5 show in plan and elevation the assembly of a preferred embodiment of an automatic cutting device according to the invention, in which the reel is movable in translation, the cable guide being fixed to the ground by means not shown.
  • the reel is carried by a shaft 15 supported by a frame 16 and driven in rotation by an electric motor 20.
  • the cable is guided as close as possible to the reel by a cable guide 17, provided in its rear part with the pulley 8.
  • the guide rollers 9, 10 and the optical cells 11, 12 corresponding to the members already mentioned with reference to FIGS. 1 to 3.
  • the guide rollers can drive when one or the another is in contact with the cable, tachometric dynamos (not shown).
  • the shaft 15 for rotating the reel is provided with an encoder 21 which passes in front of a sensor 22 for controlling its rotation.
  • This sensor-encoder assembly can be either of the optical type, or of the magnetic or induction type.
  • the encoder is formed by an opaque disc provided with orifices regularly distributed over its periphery. These orifices allow light emitted by a source to pass to the sensor formed by a photoelectric cell.
  • the second case it is formed by a disc provided with magnetic masses regularly distributed over its periphery. These masses passing in the vicinity of the sensor, formed by a coil, induce electrical signals there. Other arrangements can be used.
  • the frame 16 moves on rails 32, 33 by means of the wheels 26, 27, 28 and 29.
  • the motor 23 for translating the frame of the drum drives via the gears 24, 25 the wheel 29.
  • the voltage appearing at the output of cell 11 or cell 12 when one of them detects a cheek of the reel, triggers the inversion command 34 of the motor 23 for translating the built through the inverter 35. Simultaneously, this voltage opens the counter 36. This triggers the stop command 37 of the motor 23, acting on the relay 39, and counts the pulses coming from the sensor system- encoder (22, 21) integral with the reel shaft. When the counter has counted the number of pulses corresponding to the predetermined fraction of a turn for stopping the translation, it switches the relay 39 which restarts the motor 23.
  • the inversion command 34 of the motor 23 also switches the inverter 38 putting one of the dynamos 30 or 31 into circuit. If the inversion is controlled by the cell on the left, the dynamo on the right is thus activated in service. When there is a voltage at the output of the dynamo thus put into service, the speed control 40 switches the inverter 41 to the positive pole 42 of the fast-speed power supply to the motor 23.
  • the inverter 41 is on the positive pole 43 of the slow speed supply of this motor.
  • the light energy reflected by the edge of the reel's cheek must be greater than the light energy captured by the cells. when these are not next to a cheek.
  • This condition is easily satisfied by moving the cable guide 17 which carries the cells 11 and 12, so that the distance between the cells and the edge of the cheeks is sufficiently small.
  • a precise adjustment can be obtained by observing the tension emitted by the cells when these are facing the edge of the cheeks and by moving the cable guide 17 parallel to its axis of symmetry until this tension is equal to a determined tension, clearly higher than the tension emitted by the cells when these are not opposite the cheeks.
  • this adjustment is made automatic in the following manner.
  • the cable guide is mounted on a slide parallel to its axis of symmetry on which it can be moved by a worm screw system and a motor.
  • the motor supply voltage is formed in a comparator by the difference between the voltage emitted by cells 11 or 12 placed opposite a cheek and said determined voltage, the polarity obviously being such that the displacement of the cable guide takes place in the direction which reduces this difference. In this way, the cable guide is positioned at the correct distance from the cheeks. After having cut the connection between the motor and the comparator, the winding of the cable on the reel can be started.

Landscapes

  • Storing, Repeated Paying-Out, And Re-Storing Of Elongated Articles (AREA)
  • Winding Filamentary Materials (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
  • Tension Adjustment In Filamentary Materials (AREA)

Description

La présente invention concerne un dispositif de trancanage automatique d'un câble ou fil sur un touret, comprenant des moyens de guidage de l'avance du câble ou fil sensiblement perpendiculairement à l'axe du touret, des moyens de mise en translation relative du touret parallèlement à son axe par rapport à l'axe d'avancement du câble ou fil, alternativement dans un sens, puis dans l'autre, des moyens pour détecter un retard du touret par rapport à une position de consigne correspondant à un enroulement du câble ou fil sur le touret à spires jointives et pour augmenter sa vitesse de translation relative, et des moyens pour détecter l'arrivée de la joue du touret en regard des moyens de guidage et commander l'inversion de la translation relative.The present invention relates to an automatic cutting device for a cable or wire on a drum, comprising means for guiding the advance of the cable or wire substantially perpendicular to the axis of the drum, means for putting the drum in relative translation parallel to its axis relative to the axis of advancement of the cable or wire, alternately in one direction, then in the other, means for detecting a delay of the reel relative to a set position corresponding to a winding of the cable or wire on the reel with contiguous turns and to increase its speed of relative translation, and means for detecting the arrival of the cheek of the reel opposite the guide means and controlling the reversal of relative translation.

En effet, la translation relative du touret par rapport aux moyens de guidage du câble ou fil doit naturellement être exactement égale à un diamètre de câble par tour de rotation du touret. Par ailleurs, l'inversion du sens de la translation relative doit avoir lieu lorsqu'une couche de spires a complètement rempli l'espace entre les joues du touret, c'est-à-dire dès que la spire en cours de formation vient au contact de la joue concernée.In fact, the relative translation of the reel relative to the cable or wire guide means must naturally be exactly equal to a cable diameter per turn of the reel. Furthermore, the reversal of the direction of relative translation must take place when a layer of turns has completely filled the space between the cheeks of the reel, that is to say as soon as the turn being formed comes to touch of the affected cheek.

On connaît par le document FR-A-2263970 un dispositif de trancanage automatique d'un câble ou fil sur un touret.Document FR-A-2263970 discloses an automatic cutting device for a cable or wire on a reel.

On connaît aussi par le document EP-A-0226547 un dispositif de commande d'une opération de trancanage de câble, dans lequel le câble à enrouler sur un touret est guidé entre des rouleaux montés sur une coulisse entraînée en translation par un moteur et dans un tube de guidage porté par l'extrémité d'un bras pivotant autour d'un tourillon vertical formant guide-câble. Des capteurs de fin de course permettent d'inverser le sens de translation de la coulisse lorsque celle-ci atteint l'une ou l'autre des deux positions correspondant aux extrémités du touret.Document EP-A-0226547 also discloses a device for controlling a cable cutting operation, in which the cable to be wound on a reel is guided between rollers mounted on a slide driven in translation by a motor and in a guide tube carried by the end of an arm pivoting around a vertical journal forming cable guide. End-of-stroke sensors allow the direction of translation of the slide to be reversed when the latter reaches one or other of the two positions corresponding to the ends of the reel.

La vitesse de déplacement de la coulisse peut prendre l'une ou l'autre de deux valeurs fixées à l'avance : l'une trop petite, l'autre trop grande pour maintenir un angle de serrage correct des spires sur le touret. A un instant donné, le choix entre ces deux vitesses est déterminé par un capteur angulaire placé près du pivot du bras, ce capteur étant sensible à la direction occupée par le câble en sortie du tube de guidage, et donc à l'angle de serrage des spires. Ce dispositif n'est cependant pas entièrement efficace, notamment lorsque l'on enroule des câbles de petit diamètre à grande vitesse, car l'écart entre les angles de serrage correspondant aux deux vitesses de translation de la coulisse devient très petit, ce qui impose un capteur angulaire très sensible. Mais celui-ci devient alors sensible aux vibrations du câble entre le guide-câble et le touret. Il n'est par ailleurs pas facile de régler les deux vitesses de translation de la coulisse. Son tube de guidage doit être adapté au câble de plus gros diamètre à emmagasiner sur le touret, ce qui diminue son efficacité pour des câbles de diamètre inférieur. Les capteurs de fin de course, disposés à une distance prédéterminée l'un de l'autre, nécessitent un réglage particulier pour chaque type de touret et ne permettent pas de tenir compte d'éventuelles variations de largeur de tourets de même type.The speed of movement of the slide can take one or the other of two values fixed in advance: one too small, the other too large to maintain a correct clamping angle of the turns on the reel. At a given moment, the choice between these two speeds are determined by an angular sensor placed near the pivot of the arm, this sensor being sensitive to the direction occupied by the cable at the outlet of the guide tube, and therefore to the tightening angle of the turns. However, this device is not entirely effective, especially when winding small diameter cables at high speed, because the difference between the clamping angles corresponding to the two translation speeds of the slide becomes very small, which imposes a very sensitive angular sensor. But the latter then becomes sensitive to vibrations of the cable between the cable guide and the reel. It is also not easy to adjust the two translation speeds of the slide. Its guide tube must be adapted to the larger diameter cable to be stored on the reel, which reduces its effectiveness for cables of smaller diameter. The end of travel sensors, arranged at a predetermined distance from each other, require special adjustment for each type of reel and do not allow any variations in width of reels of the same type to be taken into account.

La présente invention a pour but de procurer un dispositif de trancanage automatique plus simple, s'adaptant à des câbles de diamètres différents à l'aide de réglage très simples. Un tel dispositif doit permettre d'effectuer un trancanage précis à spires jointives, insensible aux vibrations du câble, sans présence de vides près des joues, sur des tourets de dimensions quelconques. Il doit permettre également, lorsqu'une spire du câble entre en contact avec une joue du touret, de maintenir fixes le guide-câble ou le bâti du touret pendant une fraction de tour du touret, pouvant être égale au plus à un tour, avant qu'ils ne soient remis en mouvement en sens inverse du précédent. Cette disposition est nécessaire pour former correctement la dernière spire d'une couche, qui est aussi la première spire de la couche suivante, cette spire devant être dans son entier en contact avec la joue du touret.The present invention aims to provide a simpler automatic cutting device, adapting to cables of different diameters using very simple adjustment. Such a device must allow precise cutting with contiguous turns, insensitive to cable vibrations, without the presence of voids near the cheeks, on reels of any size. It must also allow, when a turn of the cable comes into contact with a cheek of the reel, to keep fixed the cable guide or the frame of the reel during a fraction of turn of the reel, which can be equal to at most one turn, before they are not set in motion in the opposite direction to the previous one. This arrangement is necessary to correctly form the last turn of a layer, which is also the first turn of the next layer, this turn must be in full contact with the cheek of the drum.

Le dispositif selon l'invention est caractérisé en ce que les moyens pour détecter une avance ou un retard du touret sont constitués par deux rouleaux du guidage du câble ou du fil d'axes parallèles, perpendiculaires à l'axe d'avance du câble ou du fil et à l'axe du touret, susceptibles d'être entraînés en rotation par le contact du câble ou du fil, et reliés à des organes augmentant la vitesse de translation relative du câble ou du fil, en ce que les moyens de mise en translation relative du touret sont tels que sa vitesse de translation en l'absence de contact du câble ou du fil avec les rouleaux soit un peu inférieure à celle correspondant à un enroulement à spires jointives, et en ce que les moyens de détection de l'arrivée de la joue du touret en regard des moyens de guidage du câble ou du fil sont constitués par deux cellules optiques solidaires du guide-câble et alignées sensiblement avec chacune des deux génératrices du câble qui sont susceptibles d'être en contact avec les rouleaux.The device according to the invention is characterized in that the means for detecting an advance or a delay of the reel are constituted by two rollers for guiding the cable or the wire with parallel axes, perpendicular to the axis of advance of the cable or the wire and to the axis of the reel, susceptible to be driven in rotation by the contact of the cable or wire, and connected to members increasing the relative translation speed of the cable or wire, in that the means of relative translation of the reel are such that its speed translation in the absence of contact of the cable or wire with the rollers is a little less than that corresponding to a winding with contiguous turns, and in that the means for detecting the arrival of the cheek of the reel opposite the means cable or wire guide consist of two optical cells integral with the cable guide and substantially aligned with each of the two generators of the cable which are likely to be in contact with the rollers.

Il répond en outre de préférence à au moins l'une des caractéristiques suivantes :

  • Les organes reliés aux rouleaux sont des dynamos tachymétriques.
  • La distance entre les rouleaux est telle, rapportée au diamètre du câble ou du fil, que le jeu entre les rouleaux et la surface extérieure du câble ou du fil soit égal au total à environ la moitié du diamètre du câble ou du fil.
  • Les moyens de mise en translation relative du touret par rapport à l'axe d'avancement du câble ou du fil permettent cet avancement, soit à une première vitesse un peu inférieure à celle correspondant à un enroulement à spires jointives, soit à une seconde vitesse un peu supérieure à cette dernière.
  • Les moyens pour commander l'inversion de la translation relative du touret sont tels que celle-ci n'ait lieu qu'après un arrêt de cette translation correspondant à une rotation du touret d'un angle déterminé au plus égal à un tour.
  • Les moyens pour commander l'inversion de la translation relative du touret comprennent un inverseur de l'alimentation du moteur de translation commandé par le signal issu d'une cellule optique de détection d'une joue et un relais commandé par un compteur d'impulsions qui compte les impulsions émises par un capteur en regard d'un codeur solidaire de l'arbre du moteur de rotation du touret, ledit compteur étant mis en marche par le signal issu d'une cellule de détection d'une joue et arrêté à l'issue du comptage d'un nombre déterminé d'impulsions, ledit relais coupant l'alimentation du moteur de translation pendant toute la durée du comptage.
  • Il est adjoint à chaque cellule optique une fibre lumineuse adjacente de projection en face de cette cellule d'un pinceau lumineux.
It also preferably meets at least one of the following characteristics:
  • The organs connected to the rollers are tachometric dynamos.
  • The distance between the rollers is such, relative to the diameter of the cable or wire, that the clearance between the rollers and the outer surface of the cable or wire is equal to about half the diameter of the cable or wire in total.
  • The means of relative translation of the reel relative to the advancement axis of the cable or wire allow this advancement, either at a first speed slightly lower than that corresponding to a winding with contiguous turns, or at a second speed slightly higher than the latter.
  • The means for controlling the reversal of the relative translation of the reel are such that it takes place only after a stop of this translation corresponding to a rotation of the reel by a determined angle at most equal to one turn.
  • The means for controlling the reversal of the relative translation of the reel comprise an inverter of the power of the translation motor controlled by the signal from an optical cell for detecting a cheek and a relay controlled by a counter. of pulses which counts the pulses emitted by a sensor opposite an encoder secured to the shaft of the reel rotation motor, said counter being started by the signal from a cheek detection cell and stopped at the end of the counting of a determined number of pulses, said relay cutting the power to the travel motor for the entire duration of the counting.
  • To each optical cell is added an adjacent light fiber for projection in front of this cell with a light brush.

Il est décrit ci-après, à titre d'exemple et en référence aux figures du dessin annexé, un dispositif de trancanage d'un câble électrique à touret mobile selon l'invention.

  • La figure 1 représente schématiquement un touret mobile en translation, les rouleaux de guidage et les cellules de détection d'une joue, le câble situé entre les rouleaux n'étant en contact avec aucun d'eux.
  • La figure 2 représente le touret et les rouleaux de guidage lorsque, la translation du touret étant trop lente, le câble est venu au contact du rouleau situé en arrière par rapport au sens de déplacement du touret indiqué par la flèche.
  • La figure 3 représente le touret et les cellules de détection de fin de course au moment de l'inversion du sens de translation du touret sous l'effet de la détection de sa joue par une cellule optique solidaire de l'un des rouleaux.
  • La figure 4 représente en plan un ensemble dans lequel le guide-câble est fixe et le touret mobile.
  • La figure 5 représente le même ensemble en élévation.
  • La figure 6 représente le schéma électrique de la commande de vitesse de translation du touret.
It is described below, by way of example and with reference to the figures of the appended drawing, a device for cutting an electric cable with a mobile reel according to the invention.
  • Figure 1 schematically shows a reel movable in translation, the guide rollers and the detection cells of a cheek, the cable located between the rollers not being in contact with any of them.
  • FIG. 2 represents the reel and the guide rollers when, the translation of the reel being too slow, the cable has come into contact with the roller situated behind the direction of movement of the reel indicated by the arrow.
  • FIG. 3 represents the reel and the end-of-travel detection cells at the time of the reversal of the direction of translation of the reel under the effect of the detection of its cheek by an optical cell secured to one of the rollers.
  • Figure 4 shows in plan an assembly in which the cable guide is fixed and the movable reel.
  • Figure 5 shows the same assembly in elevation.
  • FIG. 6 represents the electric diagram of the speed control of translation of the reel.

Dans la figure 1, le câble 1 est enroulé sur le touret 2, d'axe horizontal, présentant les joues latérales 3 et 4, de façon à former des spires jointives telles que 5, 6, 7. Ce câble est guidé et se présente dans un plan sensiblement perpendiculaire à l'axe du touret grâce à un guide-câble formé par une poulie 8 fixée sur un support 17 et deux rouleaux 9 et 10 d'axe vertical disposés de part et d'autre du câble sur le support 17. L'espace libre entre les rouleaux est supérieur au diamètre du câble. Il est par exemple égal à environ un diamètre et demi. Chaque rouleau est solidaire d'une dynamo tachymétrique (non représentée) entraînée en rotation par la rotation du rouleau. Des cellules optiques 11 et 12 de détection des joues du touret sont fixées sur le support 17 à l'aplomb de la génératrice de chaque rouleau la plus proche du câble. Ces cellules sont de préférence plus proche du câble que les axes des rouleaux.In FIG. 1, the cable 1 is wound on the reel 2, of horizontal axis, presenting the lateral cheeks 3 and 4, so as to form contiguous turns such as 5, 6, 7. This cable is guided and is presented in a plane substantially perpendicular to the axis of the reel by means of a cable guide formed by a pulley 8 fixed on a support 17 and two rollers 9 and 10 of vertical axis arranged on either side of the cable on the support 17. The free space between the rollers is greater than the diameter of the cable. It is for example equal to about a diameter and a half. Each roller is integral with a tachometric dynamo (not shown) driven in rotation by the rotation of the roller. Optical cells 11 and 12 for detecting the cheeks of the reel are fixed to the support 17 directly above the generator of each roller closest to the cable. These cells are preferably closer to the cable than the axes of the rollers.

Le touret 2 se déplace par rapport à la poulie 8 et aux rouleaux 9 et 10 dans le sens indiqué par la flèche à une vitesse qui, en l'absence de contact du câble avec les rouleaux, est un peu inférieure à celle qui correspondrait à un enroulement jointif des spires sur le touret. De ce fait, le câble qui s'enroule sur le touret se déplace entre les rouleaux 9 et 10 jusqu'à venir au contact du rouleau 9 qui est situé en arrière du câble par rapport au sens de déplacement du touret.The reel 2 moves relative to the pulley 8 and the rollers 9 and 10 in the direction indicated by the arrow at a speed which, in the absence of contact of the cable with the rollers, is a little lower than that which would correspond to a contiguous winding of the turns on the reel. Therefore, the cable which is wound on the reel moves between the rollers 9 and 10 until it comes into contact with the roller 9 which is located behind the cable relative to the direction of movement of the reel.

Il entraîne alors en rotation ce rouleau, dont la surface extérieure est striée pour assurer une meilleure adhérence sur celle du câble, comme représenté en figure 2. Le rouleau entraîne une dynamo tachymétrique dont la tension électrique est utilisée à commuter un relais par l'intermédiaire d'une carte électronique.It then rotates this roller, the outer surface of which is striated to ensure better adhesion to that of the cable, as shown in FIG. 2. The roller drives a tachometric dynamo whose electrical voltage is used to switch a relay through an electronic card.

Cette carte permet en particulier de rendre le dispositif insensible aux contacts fugitifs du câble avec le rouleau tels ceux qui pourrait être engendrés par exemple par des défauts très ponctuels de la géométrie du câble. Ce relais commute le moteur de translation de la tension d'alimentation correspondant à la vitesse inférieure à une tension plus élevée correspondant à une vitesse supérieure grâce à laquelle le câble cesse d'être en contact avec le rouleau 9. La vitesse de translation redevient alors inférieure.This card makes it possible in particular to make the device insensitive to fugitive contacts of the cable with the roller such as those which could be generated for example by very punctual faults in the geometry of the cable. This relay switches the translation motor from the supply voltage corresponding to the lower speed to a higher voltage corresponding to a higher speed by which the cable ceases to be in contact with the roller 9. The translation speed then becomes again lower.

Le schéma électrique sera décrit ci-dessous plus en détail en référence à la figure 6.The electrical diagram will be described below in more detail with reference to Figure 6.

Le rouleau 10 à droite du câble joue le même rôle lorsque le touret se déplace en sens contraire pour former la couche suivante.The roller 10 to the right of the cable plays the same role when the reel moves in the opposite direction to form the next layer.

La figure 3 représente l'opération de trancanage au moment où vient de se produire l'inversion du sens de translation du touret. La cellule optique 11 est parvenue en face du bord de la joue 3 du touret, qu'elle a détecté.FIG. 3 represents the cutting operation at the moment when the reversal of the direction of translation of the reel has just occurred. The optical cell 11 arrived opposite the edge of the cheek 3 of the reel, which it detected.

Plus précisément, l'inversion du sens de déplacement du touret est commandée par le passage du bord interne de la joue du touret devant la cellule située à l'aplomb de la génératrice de contact avec le câble du rouleau situé en avant de la spire en cours de formation, c'est-à-dire le rouleau 9 associé à la cellule 11. Celle-ci est sensible à l'énergie lumineuse réfléchie par la tranche de la joue, ladite énergie lumineuse pouvant provenir soit de l'énergie lumineuse ambiante, soit préférablement d'un pinceau lumineux émis par l'extrémité d'une fibre optique (non représentée) adjacent à la cellule. La cellule 11 engendre un signal électrique de commande d'un automate qui pilote l'inversion du sens de translation du touret. Afin de permettre à la dernière spire d'une couche, qui est aussi la première 13 de la couche suivante, d'être en totalité en contact avec la joue, l'automate arrête la translation du touret pendant un intervalle de temps correspondant à l'enroulement du câble sur une fraction de tour du touret qui, du fait de la vitesse d'enroulement qui peut être élevée et de l'inertie des masses en mouvement, est inférieur à la valeur théorique de un tour. Puis il fait repartir le touret dans le sens inverse pour former la deuxième spire 14 de la couche suivante, comme représenté.More precisely, the reversal of the direction of movement of the reel is controlled by the passage of the internal edge of the cheek of the reel in front of the cell located directly above the generator of contact with the cable of the roller located in front of the turn in training course, that is to say the roller 9 associated with the cell 11. The latter is sensitive to the light energy reflected by the edge of the cheek, said light energy being able to come either from ambient light energy , or preferably a light brush emitted by the end of an optical fiber (not shown) adjacent to the cell. The cell 11 generates an electrical control signal from an automaton which controls the reversal of the direction of translation of the reel. In order to allow the last turn of a layer, which is also the first 13 of the next layer, to be in full contact with the cheek, the automaton stops the translation of the reel for a time interval corresponding to l 'winding of the cable on a fraction of a turn of the reel which, because of the winding speed which can be high and the inertia of the moving masses, is less than the theoretical value of one turn. Then he starts the reel in the opposite direction to form the second turn 14 of the next layer, as shown.

La cellule optique 12 joue le même rôle lorsque la câble est parvenu à l'autre extrémité du touret.The optical cell 12 plays the same role when the cable has reached the other end of the reel.

Les cellules 11, 12 doivent avoir un angle d'ouverture faible, ce qui s'obtient par un système de lentilles optiques placées en avant de celles-ci, ou en les plaçant à l'extrémité d'une fibre optique.The cells 11, 12 must have a small opening angle, which is obtained by a system of optical lenses placed in front of them, or by placing them at the end. of an optical fiber.

L'écartement entre les rouleaux 9, 10 combiné avec la distance entre la poulie 8 et les rouleaux, détermine l'angle de serrage maximum de la spire en cours de formation. Pour éviter le chevauchement des spires qui dépend aussi de la tension du câble et de l'effort de frottement d'une spire sur l'autre, cet angle doit être assez petit. Un espace entre rouleaux d'environ 1,5 fois le diamètre du câble est convenable.The spacing between the rollers 9, 10 combined with the distance between the pulley 8 and the rollers, determines the maximum clamping angle of the turn during formation. To avoid overlapping of the turns which also depends on the cable tension and the friction force of one turn on the other, this angle must be quite small. A space between rollers of about 1.5 times the cable diameter is suitable.

Pour les machines destinées à fonctionner avec des câbles de diamètres très différents, chaque ensemble rouleau 9 ou 10, dynamo tachymétrique et cellule 11 ou 12, sera avantageusement monté sur un support auxiliaire, lui-même fixé au support 17 par un système de fixation permettant de régler la position de chaque rouleau et donc l'espace entre rouleaux tout en conservant la position relative du rouleau et de la cellule qui lui est associée.For machines intended to operate with cables of very different diameters, each roller 9 or 10, tacho dynamo and cell 11 or 12 assembly, will advantageously be mounted on an auxiliary support, itself fixed to support 17 by a fixing system allowing to adjust the position of each roller and therefore the space between rollers while maintaining the relative position of the roller and the cell associated with it.

Les figures 4 et 5 représentent en plan et en élévation l'ensemble d'une réalisation préférentielle d'un dispositif de trancanage automatique conforme à l'invention, dans lequel le touret est mobile en translation, le guide-câble étant fixé au sol par des moyens non représentés.Figures 4 and 5 show in plan and elevation the assembly of a preferred embodiment of an automatic cutting device according to the invention, in which the reel is movable in translation, the cable guide being fixed to the ground by means not shown.

Le touret est porté par un arbre 15 supporté par un bâti 16 et entraîné en rotation par un moteur électrique 20. Le câble est guidé jusqu'à proximité du touret par un guide-câble 17, muni dans sa partie postérieure de la poulie 8.The reel is carried by a shaft 15 supported by a frame 16 and driven in rotation by an electric motor 20. The cable is guided as close as possible to the reel by a cable guide 17, provided in its rear part with the pulley 8.

A l'avant du guide-câble sont disposés les rouleaux de guidage 9, 10 et les cellules optiques 11, 12 correspondant aux organes déjà mentionnés en référence aux figures 1 à 3. Les rouleaux de guidage peuvent entraîner lorsque l'un ou l'autre est au contact du câble, des dynamos tachymétriques (non représentées). L'arbre 15 de mise en rotation du touret est muni d'un codeur 21 qui défile devant un capteur 22 de contrôle de sa rotation. Cet ensemble capteur-codeur peut être soit du type optique, soit du type magnétique ou à induction. Dans le premier cas, le codeur est formé par un disque opaque muni d'orifices régulièrement répartis sur sa périphérie. Ces orifices laissent passer jusqu'au capteur formé d'une cellule photoélectrique, la lumière émise par une source. Dans le second cas, il est formé par un disque muni de masses magnétiques régulièrement réparties sur sa périphérie. Ces masses en passant au voisinage du capteur, formé par une bobine, y induisent des signaux électriques. D'autres dispositions sont utilisables. Le bâti 16 se déplace sur des rails 32, 33 par l'intermédiaire des roues 26, 27, 28 et 29. Le moteur 23 de translation du bâti du touret entraîne par l'intermédiaire des engrenages 24, 25 la roue 29.At the front of the cable guide are arranged the guide rollers 9, 10 and the optical cells 11, 12 corresponding to the members already mentioned with reference to FIGS. 1 to 3. The guide rollers can drive when one or the another is in contact with the cable, tachometric dynamos (not shown). The shaft 15 for rotating the reel is provided with an encoder 21 which passes in front of a sensor 22 for controlling its rotation. This sensor-encoder assembly can be either of the optical type, or of the magnetic or induction type. In the first case, the encoder is formed by an opaque disc provided with orifices regularly distributed over its periphery. These orifices allow light emitted by a source to pass to the sensor formed by a photoelectric cell. In the second case, it is formed by a disc provided with magnetic masses regularly distributed over its periphery. These masses passing in the vicinity of the sensor, formed by a coil, induce electrical signals there. Other arrangements can be used. The frame 16 moves on rails 32, 33 by means of the wheels 26, 27, 28 and 29. The motor 23 for translating the frame of the drum drives via the gears 24, 25 the wheel 29.

Dans le schéma électrique représenté en figure 6, la tension apparaissant en sortie de la cellule 11 ou de la cellule 12, lorsque l'une d'elle détecte une joue du touret, déclenche la commande d'inversion 34 du moteur 23 de translation du bâti par l'intermédiaire de l'inverseur 35. Simultanément, cette tension ouvre le compteur 36. Celui-ci déclenche la commande d'arrêt 37 du moteur 23, agissant sur le relais 39, et compte les impulsions en provenance du système capteur-codeur (22, 21) solidaire de l'arbre du touret. Lorsque le compteur a compté le nombre d'impulsions correspondant à la fraction de tour prédéterminée pour l'arrêt de la translation, il bascule le relais 39 qui remet en marche le moteur 23.In the electrical diagram represented in FIG. 6, the voltage appearing at the output of cell 11 or cell 12, when one of them detects a cheek of the reel, triggers the inversion command 34 of the motor 23 for translating the built through the inverter 35. Simultaneously, this voltage opens the counter 36. This triggers the stop command 37 of the motor 23, acting on the relay 39, and counts the pulses coming from the sensor system- encoder (22, 21) integral with the reel shaft. When the counter has counted the number of pulses corresponding to the predetermined fraction of a turn for stopping the translation, it switches the relay 39 which restarts the motor 23.

La commande d'inversion 34 du moteur 23 commute aussi l'inverseur 38 mettant en circuit l'une des dynamos 30 ou 31. Si l'inversion est commandée par la cellule de gauche, c'est la dynamo de droite qui est ainsi mise en service. Quand il existe une tension en sortie de la dynamo ainsi mise en service, la commande de vitesse 40 bascule l'inverseur 41 sur le pôle positif 42 de l'alimentation à vitesse rapide du moteur 23.The inversion command 34 of the motor 23 also switches the inverter 38 putting one of the dynamos 30 or 31 into circuit. If the inversion is controlled by the cell on the left, the dynamo on the right is thus activated in service. When there is a voltage at the output of the dynamo thus put into service, the speed control 40 switches the inverter 41 to the positive pole 42 of the fast-speed power supply to the motor 23.

S'il n'y a pas de tension en sortie de cette dynamo, l'inverseur 41 est sur la pôle positif 43 de l'alimentation à vitesse lente de ce moteur.If there is no voltage at the output of this dynamo, the inverter 41 is on the positive pole 43 of the slow speed supply of this motor.

Pour que le système fonctionne correctement, il est nécessaire que l'énergie lumineuse réfléchie par la tranche de la joue du touret soit supérieure à l'énergie lumineuse captée par les cellules lorsque celles-ci ne sont pas en regard d'une joue. Cette condition est aisément satisfaite en déplaçant le guide-câble 17 qui porte les cellules 11 et 12, de telle sorte que la distance entre les cellules et la tranche des joues soit suffisamment petite. Un réglage précis peut être obtenu en observant la tension émise par les cellules lorsque celles-ci sont en regard de la tranche des joues et en déplaçant le guide-câble 17 parallèlement à son axe de symétrie jusqu'à ce que cette tension soit égale à une tension déterminée, nettement supérieure à la tension émise par les cellules lorsque celles-ci ne sont pas en regard des joues. Dans un mode de réalisation préférentiel, ce réglage est rendu automatique de la façon suivante. Le guide-câble est monté sur une glissière parallèle à son axe de symétrie sur laquelle il peut être déplacé par un système de vis sans fin et un moteur. La tension d'alimentation du moteur est formée dans un comparateur par la différence existant entre la tension émise par les cellules 11 ou 12 placées en regard d'une joue et ladite tension déterminée, la polarité étant évidemment telle que le déplacement du guide-câble ait lieu dans le sens qui réduit cette différence. De cette façon, le guide-câble se positionne à la bonne distance des joues. Après avoir coupé la connexion entre le moteur et le comparateur, l'enroulement du câble sur le touret peut être entrepris.For the system to work properly, the light energy reflected by the edge of the reel's cheek must be greater than the light energy captured by the cells. when these are not next to a cheek. This condition is easily satisfied by moving the cable guide 17 which carries the cells 11 and 12, so that the distance between the cells and the edge of the cheeks is sufficiently small. A precise adjustment can be obtained by observing the tension emitted by the cells when these are facing the edge of the cheeks and by moving the cable guide 17 parallel to its axis of symmetry until this tension is equal to a determined tension, clearly higher than the tension emitted by the cells when these are not opposite the cheeks. In a preferred embodiment, this adjustment is made automatic in the following manner. The cable guide is mounted on a slide parallel to its axis of symmetry on which it can be moved by a worm screw system and a motor. The motor supply voltage is formed in a comparator by the difference between the voltage emitted by cells 11 or 12 placed opposite a cheek and said determined voltage, the polarity obviously being such that the displacement of the cable guide takes place in the direction which reduces this difference. In this way, the cable guide is positioned at the correct distance from the cheeks. After having cut the connection between the motor and the comparator, the winding of the cable on the reel can be started.

Claims (8)

  1. Device for automatically winding a cable or a wire (1) on a spool (2) comprising means for guiding forward movement of the cable or wire substantially perpendicularly to the axis of the spool, means for moving the spool in translation parallel to its axis relative to the axis of forward movement of the cable or wire alternately in one direction and then in the other, means for detecting lagging of the spool relative to a set point position representing winding of the cable or wire onto the spool with contiguous turns and for increasing its speed of relative movement in translation, and means for detecting arrival of the spool flange in alignment with the guide means and commanding reversal of the relative movement in translation, characterised in that the means for detecting lagging of the spool comprise two parallel axis cable guide rollers (9, 10) perpendicular to the axis of forward movement of the cable or the wire and the axis of the spool adapted to be rotated by contact with the cable or the wire and connected to means for increasing the speed of relative movement in translation of the cable or the wire, in that the means for relative movement of the spool in translation are such that its speed in translation in the absence of contact of the cable or the wire with the rollers is slightly less than that representing winding with contiguous turns, and in that the means for sensing the arrival of the flange of the spool in line with the guide means comprise two optical cells (11, 12) fastened to the cable guide and substantially aligned with each of the two generatrices of the cable or of the wire which are adapted to come into contact with the rollers.
  2. Device according to claim 1 characterised in that the means connected to the rollers are tachogenerators increasing the relative speed of movement in translation of the spool when they are set in motion by the rotation of the rollers and reducing this speed of relative movement in translation when they cease to be driven in rotation by the rollers.
  3. Device according to claim 1 or claim 2 characterised in that the distance between the rollers (9, 10) is such in relation to the diameter of the cable or the wire that the gap between the rollers and the outer surface of the cable or the wire is equal in total to about half the diameter of the cable or the wire.
  4. Device according to any one of claims 1 to 3 characterised in that the means for relative movement in translation of the spool relative to the axis of forward movement of the cable or the wire enable said translation either at a first speed slightly less than that representing winding with contiguous turns or at a second speed slightly greater than the first speed.
  5. Device according to any one claims 1 to 4 characterised in that the means for reversing the relative movement in translation of the spool are such that this occurs only after the movement in translation has been stopped for a time representing rotation of the spool through a particular angle of at most one complete rotation.
  6. Device according to claim 5 characterised in that the means for reversing the relative movement in translation of the spool comprise a switch (35) in the power supply of the translation motor and a pulse counter (36) enabled by the output signal from a cell (11, 12) connected to a translation motor power supply relay (39) and receiving count pulses from a sensor (22) fastened to the shaft of said spool and cutting off the power supply of the motor as soon as it is started and reconnecting it as soon as it has counted a number of pulses representing a predetermined rotation of the spool.
  7. Device according to any one of claims 1 through 6 characterised in that it comprises means for adjusting the distance between the optical cells (11, 12) and the edge of the flanges (3, 4) of the spool so that the latter generates a signal to halt and then reverse the relative movement in translation independently of the reflective power of the flanges.
  8. Device according to any one of claims 1 to 7 characterised in that there is adjoining each optical cell an adjacent light fibre for projecting a light beam in front of this cell.
EP19890113149 1988-07-22 1989-07-18 Device for automatically winding a cable or a wire on a spool Expired - Lifetime EP0351777B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8809967A FR2634472B1 (en) 1988-07-22 1988-07-22 DEVICE FOR AUTOMATIC CUTTING OF A CABLE OR WIRE ON A ROLLER
FR8809967 1988-07-22

Publications (2)

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EP0351777A1 EP0351777A1 (en) 1990-01-24
EP0351777B1 true EP0351777B1 (en) 1992-08-26

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EP19890113149 Expired - Lifetime EP0351777B1 (en) 1988-07-22 1989-07-18 Device for automatically winding a cable or a wire on a spool

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EP (1) EP0351777B1 (en)
DE (1) DE68902611T2 (en)
ES (1) ES2034526T3 (en)
FR (1) FR2634472B1 (en)
GR (1) GR1000346B (en)

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KR102149074B1 (en) 2013-01-07 2020-08-28 맥그리거 노르웨이 에이에스 Cable guide device for multi-diameter cables

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FR2931139B1 (en) * 2008-05-13 2010-04-23 Thales Sa MULTI-DIAMETER CABLE GUIDING DEVICE
US8720811B2 (en) 2011-03-07 2014-05-13 Stoneage, Inc. Apparatus and method for storing and dispensing a pressure hose
CN103588023B (en) * 2013-10-18 2015-07-08 南通昱品通信科技有限公司 Inverted take-up machine for production line for copper alloy through ground wires
FR3017125B1 (en) * 2014-02-03 2016-08-19 Spoolex METHOD AND INSTALLATION FOR TRANKING AN ARTICLE AROUND A RECEPTION COIL
CN104528569A (en) * 2014-12-25 2015-04-22 中国矿业大学 Detection device and method used for rope disorder in process of multi-layer winding around reel
CN107226382B (en) * 2017-05-09 2020-01-10 长春工业大学 High-thrust cable arranging equipment with time-delay automatic reversing function and cable arranging method
GB2567701A (en) 2017-10-23 2019-04-24 Hexcel Composites Ltd Unwinding of materials
CN108975063A (en) * 2018-08-01 2018-12-11 张祖红 A kind of automatic coiling device that cylinder pushes
CN112755967B (en) * 2020-12-15 2022-07-19 武汉大学 Chitin nanofiber porous composite microsphere blood ammonia adsorbent, and preparation method and application thereof
CN113734888B (en) * 2021-09-10 2023-09-29 江苏盈科通信科技有限公司 Indoor optical cable deviation rectifying and wire arranging device and method

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GB2022636A (en) * 1978-05-31 1979-12-19 Gkn Ltd Traverse control during wire winding
EP0226547A3 (en) * 1985-12-20 1988-07-06 Maillefer S.A. Apparatus for controlling a traversing operation

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KR102149074B1 (en) 2013-01-07 2020-08-28 맥그리거 노르웨이 에이에스 Cable guide device for multi-diameter cables

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DE68902611T2 (en) 1993-03-11
GR1000346B (en) 1992-06-25
EP0351777A1 (en) 1990-01-24
ES2034526T3 (en) 1993-04-01
DE68902611D1 (en) 1992-10-01
GR880100784A (en) 1990-06-27
FR2634472A1 (en) 1990-01-26
FR2634472B1 (en) 1990-09-07

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